邻溴吡啶

4-溴苯甲醛二甲缩醛

L-叔亮氨酸

2-甲基-2-丙基(2E)-2-[4-(2-吡啶基)亚苄基]肼羧酸酯

{(S)-1-[N'-((2S,3S)-3-amino-2-hydroxy-4-phenyl-butyl)-N'-(4-pyridin-2-yl-benzyl)-hydrazinocarbonyl]-2,2-dimethyl-propyl}-carbamic acid methyl ester